NOPI Excel 数据导入到数据库

/// <summary>

/// 上传excel文件 并将文件数据导入到数据库

/// </summary>

/// <param name="file"></param>

/// <returns></returns>

[HttpPost]

public JsonResult UploadFile(HttpPostedFileBase file)

{

var fileName = file.FileName;

fileName = fileName.Replace(" ", "_").Replace("\\", "_").Replace("/", "_");

fileName = DateTime.Now.Ticks.ToString() + "_" + fileName;

var defaultPath = AppSettings["UploadFiles"];

if (String.IsNullOrWhiteSpace(defaultPath))

defaultPath = @"D:\RegTech\UploadFiles";

var excelUploadPath = Path.Combine(defaultPath, "UserCustomBlackList");

if (!Directory.Exists(excelUploadPath))

Directory.CreateDirectory(excelUploadPath);

// 将上传文件保存到服务器

var saveFilePath = Path.Combine(excelUploadPath, fileName);

file.SaveAs(saveFilePath);

List<UserCustomBlackList> excelResult = ReadExcelByCustomBlack(saveFilePath);

}

/// <summary>

/// 将上传的Excel数据导入到数据库中

/// </summary>

/// <param name="fileName"></param>

/// <param name="type"></param>

/// <returns></returns>

protected List<UserCustomBlackList> ReadExcelByCustomBlack(String fileName)

{

List<UserCustomBlackList> rtn = new List<UserCustomBlackList>();

FileInfo existingFile = new FileInfo(fileName);

try

{

using (FileStream fs = System.IO.File.OpenRead(fileName))

{

// 根据文件创建Excel WorkBook

IWorkbook wk = WorkbookFactory.Create(fs);

string extension = fileName.Substring(fileName.LastIndexOf(".")).ToString().ToLower();

// 获取第一个Sheet页

ISheet sheet = wk.GetSheetAt(0);

int rowIndex = 1;

for (int i = 1; i <= sheet.LastRowNum; i++)

{

UserCustomBlackList data = new UserCustomBlackList();

IRow row = sheet.GetRow(i);

if (row != null)

{

data.DisplayIndex = rowIndex++;

data.BlackContent = row.GetCell(0) == null ? String.Empty : row.GetCell(0).ToString();

}

if (!string.IsNullOrWhiteSpace(data.BlackContent))

rtn.Add(data);

}

return rtn;

}

}

catch (Exception ex)

{

LogUtility.Exception(ex,source: "客户端-ReadExcelByCustomBlack");

return null;

}

}